Add Missing XUI C++ Files

Minecraft.Client/Common/XUI/XUI_Helper.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#define BEGIN_CONTROL_MAP() \
+	HRESULT MapChildControls() \
+	{ \
+		HRESULT hr = S_OK; \
+		CXuiElement e = m_hObj; \
+
+
+
+#define MAP_CONTROL(name, member) \
+	hr = e.GetChildById(name, &member); \
+	assert(hr==0); \
+
+#define BEGIN_MAP_CHILD_CONTROLS( member ) \
+	{ \
+		CXuiElement tempE = e; \
+		e = member; \
+
+#define END_MAP_CHILD_CONTROLS() \
+		e = tempE; \
+	} \
+
+
+#define MAP_OVERRIDE(name, member) \
+	{ \
+		HXUIOBJ h; \
+		hr = e.GetChildById(name, &h); \
+		assert(hr==0); \
+		hr = XuiObjectFromHandle(h, reinterpret_cast<PVOID*>(&member)); \
+		assert(hr==0); \
+	} \
+
+
+#define END_CONTROL_MAP() \
+	return hr; \
+	} \
+